Now Twice as Bright! The Princeton Tec SHOCKWAVE LED has been expanded from 170 to 400 lumens of brut power giving a maximum beam distance of 155m. Features 3 Maxbright LEDs, 2 light levels & LED heat regulation. Triple three watt Maxbright LEDs combined with Princeton Tec's proprietary optics offer unprecedented brightness and beam smoothness. 9 watts of pure brute power is offered with two modes of illumination, high for super bright and low for extended battery life of up to 20 hours. The light output is calibrated for both close range tasks and spotting at a distance. The Shockwave LED is engineered to be impact resistant and waterproof to 100 meters.